WO1996036592A3 - Verfahren zur herstellung von carbonsäurederivaten - Google Patents

Verfahren zur herstellung von carbonsäurederivaten Download PDF

Info

Publication number
WO1996036592A3
WO1996036592A3 PCT/EP1996/001890 EP9601890W WO9636592A3 WO 1996036592 A3 WO1996036592 A3 WO 1996036592A3 EP 9601890 W EP9601890 W EP 9601890W WO 9636592 A3 WO9636592 A3 WO 9636592A3
Authority
WO
WIPO (PCT)
Prior art keywords
alkyl
carboxylic acid
cycloalkyl
stands
general formula
Prior art date
Application number
PCT/EP1996/001890
Other languages
English (en)
French (fr)
Other versions
WO1996036592A2 (de
Inventor
Eberhard Fuchs
Original Assignee
Basf Ag
Eberhard Fuchs
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CA002218134A priority Critical patent/CA2218134C/en
Priority to DE59604459T priority patent/DE59604459D1/de
Application filed by Basf Ag, Eberhard Fuchs filed Critical Basf Ag
Priority to SK1550-97A priority patent/SK155097A3/sk
Priority to US08/952,239 priority patent/US6002010A/en
Priority to EA199700391A priority patent/EA000799B1/ru
Priority to MX9708580A priority patent/MX9708580A/es
Priority to BR9608469A priority patent/BR9608469A/pt
Priority to EP96919686A priority patent/EP0825977B1/de
Priority to HU9801403A priority patent/HU225063B1/hu
Priority to JP8534515A priority patent/JPH11505538A/ja
Priority to AU58146/96A priority patent/AU713436B2/en
Priority to NZ308484A priority patent/NZ308484A/en
Priority to PL96323388A priority patent/PL183753B1/pl
Priority to UA97126156A priority patent/UA50739C2/uk
Publication of WO1996036592A2 publication Critical patent/WO1996036592A2/de
Publication of WO1996036592A3 publication Critical patent/WO1996036592A3/de
Priority to BG102026A priority patent/BG63869B1/bg
Priority to NO975296A priority patent/NO308465B1/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/78Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79Acids; Esters
    • C07D213/803Processes of preparation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00Preparation of carboxylic acid amides
    • C07C231/06Preparation of carboxylic acid amides from nitriles by transformation of cyano groups into carboxamide groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/18Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
    • C07C67/22Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from nitriles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/78Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79Acids; Esters
    • C07D213/80Acids; Esters in position 3
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/78Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/81Amides; Imides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Steroid Compounds (AREA)

Abstract

Verfahren zur Herstellung von Carbonsäurederivaten der allgemeinen Formel (I), in der X OR2 oder NH¿2, R?1 C1- bis C20-Alkyl, C1- bis C20-Hydroxyalkyl, C3- bis C12-Cycloalkyl, C4- bis C12-Alkyl-cycloalkyl, C4- bis C12-Cycloalkyl-alkyl, C5- bis C20-Alkyl-cycloalkyl-alkyl, Aryl, C7- bis C20-Aralkyl, C7- bis C20-Alkylaryl, einen heteroaliphatischen oder heteroaromatischen Ring mit 5- bis 8-Kohlenstoffatomen und R2 C1- bis C20-Alkyl bedeuten, aus Carbonsäurenitrilen der allgemeinen Formel (II) R1-C N, in der R1 die oben genannten Bedeutungen hat, und Alkoholen der allgemeinen Formel (III) R2-OH, in der R2 die oben genannten Bedeutungen hat, bei Temperaturen von 50 bis 300 °C und Drücken von 0,1 bis 350 bar in Gegenwart eines Heterogenkatalysators, indem man die Umsetzung in der Flüssigphase durchführt.
PCT/EP1996/001890 1995-05-19 1996-05-07 Verfahren zur herstellung von carbonsäurederivaten WO1996036592A2 (de)

Priority Applications (16)

Application Number Priority Date Filing Date Title
PL96323388A PL183753B1 (pl) 1995-05-19 1996-05-07 Sposób wytwarzania pochodnych kwasu nikotynowego
EP96919686A EP0825977B1 (de) 1995-05-19 1996-05-07 Verfahren zur herstellung von carbonsäurederivaten
SK1550-97A SK155097A3 (en) 1995-05-19 1996-05-07 Carboxylic acid derivative preparation process
US08/952,239 US6002010A (en) 1995-05-19 1996-05-07 Carboxylic acid derivative preparation process
EA199700391A EA000799B1 (ru) 1995-05-19 1996-05-07 Способ получения производных карбоновой кислоты
MX9708580A MX9708580A (es) 1995-05-19 1996-05-07 Preparacion de derivados del acido carboxilico.
BR9608469A BR9608469A (pt) 1995-05-19 1996-05-07 Processo para a preparação de derivados do ácido carboxílico
CA002218134A CA2218134C (en) 1995-05-19 1996-05-07 The preparation of carboxylic acid derivatives
HU9801403A HU225063B1 (en) 1995-05-19 1996-05-07 Carboxylic acid derivatives preparation process
AU58146/96A AU713436B2 (en) 1995-05-19 1996-05-07 The preparation of carboxylic acid derivatives
JP8534515A JPH11505538A (ja) 1995-05-19 1996-05-07 カルボン酸誘導体の製造方法
NZ308484A NZ308484A (en) 1995-05-19 1996-05-07 Carboxylic acid derivative preparation process
DE59604459T DE59604459D1 (de) 1995-05-19 1996-05-07 Verfahren zur herstellung von carbonsäurederivaten
UA97126156A UA50739C2 (uk) 1995-05-19 1996-05-07 Спосіб одержання похідних карбонової кислоти
BG102026A BG63869B1 (bg) 1995-05-19 1997-11-06 Метод за получаване на производни на карбоксилни киселини
NO975296A NO308465B1 (no) 1995-05-19 1997-11-18 FremgangsmÕte for fremstilling av karboksylsyrederivater

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19518474.2 1995-05-19
DE19518474A DE19518474A1 (de) 1995-05-19 1995-05-19 Verfahren zur Herstellung von Carbonsäurederivaten

Publications (2)

Publication Number Publication Date
WO1996036592A2 WO1996036592A2 (de) 1996-11-21
WO1996036592A3 true WO1996036592A3 (de) 1997-01-09

Family

ID=7762390

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/001890 WO1996036592A2 (de) 1995-05-19 1996-05-07 Verfahren zur herstellung von carbonsäurederivaten

Country Status (24)

Country Link
US (1) US6002010A (de)
EP (1) EP0825977B1 (de)
JP (1) JPH11505538A (de)
KR (1) KR100384095B1 (de)
CN (1) CN1081622C (de)
AU (1) AU713436B2 (de)
BG (1) BG63869B1 (de)
BR (1) BR9608469A (de)
CA (1) CA2218134C (de)
CZ (1) CZ290156B6 (de)
DE (2) DE19518474A1 (de)
EA (1) EA000799B1 (de)
ES (1) ES2143764T3 (de)
HU (1) HU225063B1 (de)
MX (1) MX9708580A (de)
MY (1) MY117672A (de)
NO (1) NO308465B1 (de)
NZ (1) NZ308484A (de)
PL (1) PL183753B1 (de)
SK (1) SK155097A3 (de)
TR (1) TR199701393T1 (de)
TW (1) TW347385B (de)
UA (1) UA50739C2 (de)
WO (1) WO1996036592A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9441766B2 (en) 2009-06-02 2016-09-13 Bhp Billiton Petroleum Pty Ltd. Reinforced hose

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0616053D0 (en) 2006-08-11 2006-09-20 Bhp Billiton Petroleum Pty Ltd Improvements relating to hose
CN102260185A (zh) * 2011-06-13 2011-11-30 昆山市亚香日用香料有限公司 一种n-乙基-2,2-二异丙基丁酰胺的合成方法
CN102911057B (zh) * 2011-08-04 2016-01-27 浙江九洲药业股份有限公司 一种酮洛芬乙酯的制备方法
CN103351306B (zh) * 2013-07-24 2015-04-15 重庆紫光化工股份有限公司 一种一锅法制备n,n-二甲基甘氨酸酯的方法
CN112004796B (zh) * 2018-04-27 2023-06-06 株式会社力森诺科 N,n-二取代酰胺的制造方法及用于制造n,n-二取代酰胺的催化剂
CN109225191A (zh) * 2018-11-05 2019-01-18 河南省农村科学技术开发中心有限责任公司 一种制备呋虫胺中间体3-羟甲基四氢呋喃的方法及其催化剂
CN116199625A (zh) * 2023-01-19 2023-06-02 上海昱菘医药科技有限公司 一种烟酸酯类化合物的制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539435A1 (de) * 1974-09-11 1976-04-08 Showa Denko Kk Verfahren zur herstellung von nikotinsaeure- und isonikotinsaeureamid
US4987256A (en) * 1989-09-07 1991-01-22 Mitsubishi Gas Chemical Company, Inc. Process for production of α-hydroxycarboxylic acid amide
US5103055A (en) * 1990-05-10 1992-04-07 The Standard Oil Company Water-promoted synthesis of amides from nitriles and alcohols
EP0561614A2 (de) * 1992-03-16 1993-09-22 MITSUI TOATSU CHEMICALS, Inc. Verfahren zur Herstellung von alpha, beta-ungesättigten Carbonsäureestern
WO1996016039A1 (de) * 1994-11-17 1996-05-30 Basf Aktiengesellschaft Verfahren zur herstellung von nikotinsäureamid durch katalytische hydratisierung von 3-cyano-pyridin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714767C3 (de) * 1977-04-02 1980-10-09 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Carbonsäureestern aus Nitrilen unter Wiedergewinnung von Ammoniak
US4613684A (en) * 1983-10-06 1986-09-23 Mitsubishi Gas Chemical Company, Inc. Process for the preparation of carboxylic acid esters
JP2722645B2 (ja) * 1989-04-11 1998-03-04 三菱瓦斯化学株式会社 カルボン酸エステルとホルムアミドの製造法
JP2853190B2 (ja) * 1989-08-08 1999-02-03 三菱瓦斯化学株式会社 ニトリル水和触媒の製造方法
DE4339648A1 (de) * 1993-11-20 1995-05-24 Basf Ag Verfahren zur Herstellung von Caprolactam

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539435A1 (de) * 1974-09-11 1976-04-08 Showa Denko Kk Verfahren zur herstellung von nikotinsaeure- und isonikotinsaeureamid
US4987256A (en) * 1989-09-07 1991-01-22 Mitsubishi Gas Chemical Company, Inc. Process for production of α-hydroxycarboxylic acid amide
US5103055A (en) * 1990-05-10 1992-04-07 The Standard Oil Company Water-promoted synthesis of amides from nitriles and alcohols
EP0561614A2 (de) * 1992-03-16 1993-09-22 MITSUI TOATSU CHEMICALS, Inc. Verfahren zur Herstellung von alpha, beta-ungesättigten Carbonsäureestern
WO1996016039A1 (de) * 1994-11-17 1996-05-30 Basf Aktiengesellschaft Verfahren zur herstellung von nikotinsäureamid durch katalytische hydratisierung von 3-cyano-pyridin

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 78, no. 5, 5 February 1973, Columbus, Ohio, US; abstract no. 29639, KAIEDA, OSAMU ET AL: "Nicotinamide" XP002017426 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9441766B2 (en) 2009-06-02 2016-09-13 Bhp Billiton Petroleum Pty Ltd. Reinforced hose

Also Published As

Publication number Publication date
SK155097A3 (en) 1998-07-08
EP0825977B1 (de) 2000-02-16
DE59604459D1 (de) 2000-03-23
MX9708580A (es) 1998-02-28
JPH11505538A (ja) 1999-05-21
CN1184465A (zh) 1998-06-10
UA50739C2 (uk) 2002-11-15
BR9608469A (pt) 1998-12-29
WO1996036592A2 (de) 1996-11-21
ES2143764T3 (es) 2000-05-16
BG63869B1 (bg) 2003-04-30
PL183753B1 (pl) 2002-07-31
CN1081622C (zh) 2002-03-27
KR19990014911A (ko) 1999-02-25
EP0825977A2 (de) 1998-03-04
EA199700391A1 (ru) 1998-06-25
EA000799B1 (ru) 2000-04-24
CA2218134C (en) 2005-01-04
TR199701393T1 (xx) 1998-03-21
DE19518474A1 (de) 1996-11-21
HU225063B1 (en) 2006-05-29
NO975296L (no) 1997-11-18
KR100384095B1 (ko) 2003-08-21
CZ358097A3 (cs) 1998-04-15
US6002010A (en) 1999-12-14
NZ308484A (en) 1998-11-25
CA2218134A1 (en) 1996-11-21
NO308465B1 (no) 2000-09-18
MY117672A (en) 2004-07-31
PL323388A1 (en) 1998-03-30
HUP9801403A2 (hu) 1998-09-28
HUP9801403A3 (en) 1998-10-28
BG102026A (en) 1998-08-31
TW347385B (en) 1998-12-11
AU713436B2 (en) 1999-12-02
NO975296D0 (no) 1997-11-18
CZ290156B6 (cs) 2002-06-12
AU5814696A (en) 1996-11-29

Similar Documents

Publication Publication Date Title
WO1996036592A3 (de) Verfahren zur herstellung von carbonsäurederivaten
EP1048694A4 (de) Azoverbindungen sowie verfahren zur herstellung derselben
AP1519A (en) Process for the preparation of thiazolidinedione derivatives.
GB2348879B (en) Process
EP0414058A3 (en) Carboxylic acid derivatives
KR840007419A (ko) 1H,3H-피롤로[1,2-c]티아졸유도체의제조방법
ES430867A1 (es) Un procedimiento para sintetizar un ester de hidrocarbilo alifatico de c1-c7 de un acido n-(26-di-alcohilo de c1-c7)- fenil)-alfa-aminocarboxilico.
Koskinen et al. Diazo transfer reactions under mildly basic conditions
HUT78061A (hu) Eljárás 2-(aril-oxi)-4-klór-piridin-származékok előállítására
CA2131474A1 (en) Preparation of hydroxyoxaalkylmelamines
DK1100768T3 (da) Fremgangsmåde til fremstilling af R-(-)-carnitin
WO1993004059A1 (en) 4-acylaminoimidazole derivative
NO20010625D0 (no) Fremgangsmåte for fremstilling av atropasyreetylester
FI913300A0 (fi) Foerfarande foer framstaellning av arylsubstituerade propionsyraestrar.
IE33494L (en) Cycloalkano-quinolones
US4990524A (en) 2-thiazolones in a method of treating a gastric ulcer
GB1174365A (en) Benzotriazole Derivatives
JPS5531027A (en) N-phenetyl acetamide derivative
GB1258946A (de)
SU1567579A1 (ru) Способ получени 3-амино-2-карбэтоксиметилхиназолин-4(3Н)-она
EP0357792A4 (en) Process for preparing pyridine-2,3-dicarboxylic acid compounds
EP0358484A3 (de) Verfahren zur Herstellung von 1-Benzylimidazol und dessen Verbindung
Inaki et al. Base-specific interaction of polymers containing adenine: effect of chiral spacer on the interaction with polynucleotide
JPS5686142A (en) Preparation of threo-3-amino-2-hydroxybutanoylamino- acetic acids
JPS5673064A (en) Isoquinoline derivative

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 96194035.2

Country of ref document: CN

AK Designated states

Kind code of ref document: A2

Designated state(s): AU BG BR CA CN CZ HU JP KR MX NO NZ PL SG SK TR UA US AM AZ BY KG KZ MD RU TJ TM

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

AK Designated states

Kind code of ref document: A3

Designated state(s): AU BG BR CA CN CZ HU JP KR MX NO NZ PL SG SK TR UA US AM AZ BY KG KZ MD RU TJ TM

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 1996919686

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 308484

Country of ref document: NZ

ENP Entry into the national phase

Ref document number: 2218134

Country of ref document: CA

Ref document number: 2218134

Country of ref document: CA

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: PA/a/1997/008580

Country of ref document: MX

WWE Wipo information: entry into national phase

Ref document number: 08952239

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: PV1997-3580

Country of ref document: CZ

WWE Wipo information: entry into national phase

Ref document number: 155097

Country of ref document: SK

ENP Entry into the national phase

Ref document number: 1996 534515

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1019970708257

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 97/01393

Country of ref document: TR

WWE Wipo information: entry into national phase

Ref document number: 199700391

Country of ref document: EA

WWP Wipo information: published in national office

Ref document number: 1996919686

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: PV1997-3580

Country of ref document: CZ

WWP Wipo information: published in national office

Ref document number: 1019970708257

Country of ref document: KR

WWG Wipo information: grant in national office

Ref document number: 1996919686

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: PV1997-3580

Country of ref document: CZ

WWG Wipo information: grant in national office

Ref document number: 1019970708257

Country of ref document: KR